liz/rawTherapee
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Merge remote-tracking branch 'origin/master' into softproofing

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This commit is contained in:
Hombre 2016-08-29 21:08:54 +02:00
commit ad5ef21648
3 changed files with 57 additions and 76 deletions
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13
rtengine/color.cc
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@ -2138,16 +2138,15 @@ void Color::gamutLchonly (float HH, float2 sincosval, float &Lprov1, float &Chpr
void Color::gamutLchonly (float HH, float2 sincosval, float &Lprov1, float &Chprov1, float &R, float &G, float &B, const double wip[3][3], const bool isHLEnabled, const float lowerCoef, const float higherCoef)
#endif
{
const float ClipLevel = 65535.0f;
constexpr float ClipLevel = 65535.0f;
bool inGamut;
#ifdef _DEBUG
neg = false, more_rgb = false;
#endif
float ChprovSave = Chprov1;
do {
inGamut = true;
//Lprov1=LL;
float aprov1 = Chprov1 * sincosval.y;
float bprov1 = Chprov1 * sincosval.x;
@ -2157,9 +2156,8 @@ void Color::gamutLchonly (float HH, float2 sincosval, float &Lprov1, float &Chpr
float fz = fy - (0.005f * bprov1);
float x_ = 65535.0f * f2xyz(fx) * D50x;
// float y_ = 65535.0f * f2xyz(fy);
float z_ = 65535.0f * f2xyz(fz) * D50z;
float y_ = (Lprov1 > epskap) ? 65535.0 * fy * fy * fy : 65535.0 * Lprov1 / kappa;
float y_ = (Lprov1 > epskap) ? 65535.0f * fy * fy * fy : 65535.0f * Lprov1 / kappa;
xyz2rgb(x_, y_, z_, R, G, B, wip);
@ -2168,6 +2166,11 @@ void Color::gamutLchonly (float HH, float2 sincosval, float &Lprov1, float &Chpr
#ifdef _DEBUG
neg = true;
#endif
if (isnan(HH)) {
float atemp = ChprovSave * sincosval.y * 327.68;
float btemp = ChprovSave * sincosval.x * 327.68;
HH = xatan2f(btemp, atemp);
}
if (Lprov1 < 0.1f) {
Lprov1 = 0.1f;

114
rtengine/improcfun.cc
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@ -2999,21 +2999,25 @@ void ImProcFunctions::rgbProc (Imagefloat* working, LabImage* lab, PipetteBuffer
TMatrix wprof = iccStore->workingSpaceMatrix (params->icm.working);
TMatrix wiprof = iccStore->workingSpaceInverseMatrix (params->icm.working);
double toxyz[3][3] = {
float toxyz[3][3] = {
{
( wprof[0][0] / Color::D50x),
( wprof[0][1] / Color::D50x),
( wprof[0][2] / Color::D50x)
static_cast<float>( wprof[0][0] / Color::D50x),
static_cast<float>( wprof[0][1] / Color::D50x),
static_cast<float>( wprof[0][2] / Color::D50x)
}, {
( wprof[1][0]),
( wprof[1][1]),
( wprof[1][2])
static_cast<float>( wprof[1][0]),
static_cast<float>( wprof[1][1]),
static_cast<float>( wprof[1][2])
}, {
( wprof[2][0] / Color::D50z),
( wprof[2][1] / Color::D50z),
( wprof[2][2] / Color::D50z)
static_cast<float>( wprof[2][0] / Color::D50z),
static_cast<float>( wprof[2][1] / Color::D50z),
static_cast<float>( wprof[2][2] / Color::D50z)
}
};
float maxFactorToxyz = max(toxyz[1][0],toxyz[1][1],toxyz[1][2]);
float equalR = maxFactorToxyz / toxyz[1][0];
float equalG = maxFactorToxyz / toxyz[1][1];
float equalB = maxFactorToxyz / toxyz[1][2];
//inverse matrix user select
double wip[3][3] = {
@ -3650,60 +3654,52 @@ void ImProcFunctions::rgbProc (Imagefloat* working, LabImage* lab, PipetteBuffer
for (int i = istart, ti = 0; i < tH; i++, ti++) {
for (int j = jstart, tj = 0; j < tW; j++, tj++) {
float r1, g1, b1, r2, g2, b2, L_1, L_2, Lfactor, a_1, b_1, x_, y_, z_, R, G, B ;
float y, fy, yy, fyy, x, z, fx, fz;
// rgb values before RGB curves
r1 = rtemp[ti * TS + tj] ;
g1 = gtemp[ti * TS + tj] ;
b1 = btemp[ti * TS + tj] ;
float r = rtemp[ti * TS + tj] ;
float g = gtemp[ti * TS + tj] ;
float b = btemp[ti * TS + tj] ;
//convert to Lab to get a&b before RGB curves
x = toxyz[0][0] * r1 + toxyz[0][1] * g1 + toxyz[0][2] * b1;
y = toxyz[1][0] * r1 + toxyz[1][1] * g1 + toxyz[1][2] * b1;
z = toxyz[2][0] * r1 + toxyz[2][1] * g1 + toxyz[2][2] * b1;
float x = toxyz[0][0] * r + toxyz[0][1] * g + toxyz[0][2] * b;
float y = toxyz[1][0] * r + toxyz[1][1] * g + toxyz[1][2] * b;
float z = toxyz[2][0] * r + toxyz[2][1] * g + toxyz[2][2] * b;
fx = (x < 65535.0f ? Color::cachef[std::max(x, 0.f)] : 327.68f * std::cbrt(x / MAXVALF));
fy = (y < 65535.0f ? Color::cachef[std::max(y, 0.f)] : 327.68f * std::cbrt(y / MAXVALF));
fz = (z < 65535.0f ? Color::cachef[std::max(z, 0.f)] : 327.68f * std::cbrt(z / MAXVALF));
float fx = x < MAXVALF ? Color::cachef[x] : 327.68f * std::cbrt(x / MAXVALF);
float fy = y < MAXVALF ? Color::cachef[y] : 327.68f * std::cbrt(y / MAXVALF);
float fz = z < MAXVALF ? Color::cachef[z] : 327.68f * std::cbrt(z / MAXVALF);
L_1 = (116.0f * fy - 5242.88f); //5242.88=16.0*327.68;
a_1 = (500.0f * (fx - fy) );
b_1 = (200.0f * (fy - fz) );
float a_1 = 500.0f * (fx - fy);
float b_1 = 200.0f * (fy - fz);
// rgb values after RGB curves
if (rCurve) {
r2 = rCurve[ rtemp[ti * TS + tj]];
} else {
r2 = r1;
float rNew = rCurve[r];
r += (rNew - r) * equalR;
}
if (gCurve) {
g2 = gCurve[ gtemp[ti * TS + tj]];
} else {
g2 = g1;
float gNew = gCurve[g];
g += (gNew - g) * equalG;
}
if (bCurve) {
b2 = bCurve[ btemp[ti * TS + tj]];
} else {
b2 = b1;
float bNew = bCurve[b];
b += (bNew - b) * equalB;
}
// Luminosity after
// only Luminance in Lab
yy = toxyz[1][0] * r2 + toxyz[1][1] * g2 + toxyz[1][2] * b2;
fyy = (yy < 65535.0f ? Color::cachef[std::max(yy, 0.f)] : 327.68f * std::cbrt(yy / MAXVALF));
L_2 = (116.0f * fyy - 5242.88f);
float newy = toxyz[1][0] * r + toxyz[1][1] * g + toxyz[1][2] * b;
float newfy = newy < MAXVALF ? Color::cachef[newy] : 327.68f * std::cbrt(newy / MAXVALF);
float L_2 = 116.0f * newfy - 5242.88f;
//gamut control
if(settings->rgbcurveslumamode_gamut) {
float RR, GG, BB;
float HH, Lpro, Chpro;
Lpro = L_2 / 327.68f;
Chpro = sqrt(SQR(a_1) + SQR(b_1)) / 327.68f;
HH = xatan2f(b_1, a_1);
// According to mathematical laws we can get the sin and cos of HH by simple operations
float2 sincosval;
float Lpro = L_2 / 327.68f;
float Chpro = sqrtf(SQR(a_1) + SQR(b_1)) / 327.68f;
float HH = NAN; // we set HH to NAN, because then it will be calculated in Color::gamutLchonly only if needed
// float HH = xatan2f(b_1, a_1);
// According to mathematical laws we can get the sin and cos of HH by simple operations even if we don't calculate HH
float2 sincosval;
if(Chpro == 0.0f) {
sincosval.y = 1.0f;
@ -3717,30 +3713,18 @@ void ImProcFunctions::rgbProc (Imagefloat* working, LabImage* lab, PipetteBuffer
bool neg = false;
bool more_rgb = false;
//gamut control : Lab values are in gamut
Color::gamutLchonly(HH, Lpro, Chpro, RR, GG, BB, wip, highlight, 0.15f, 0.96f, neg, more_rgb);
Color::gamutLchonly(HH, sincosval, Lpro, Chpro, rtemp[ti * TS + tj], gtemp[ti * TS + tj], btemp[ti * TS + tj], wip, highlight, 0.15f, 0.96f, neg, more_rgb);
#else
//gamut control : Lab values are in gamut
Color::gamutLchonly(HH, Lpro, Chpro, RR, GG, BB, wip, highlight, 0.15f, 0.96f);
Color::gamutLchonly(HH, sincosval, Lpro, Chpro, rtemp[ti * TS + tj], gtemp[ti * TS + tj], btemp[ti * TS + tj], wip, highlight, 0.15f, 0.96f);
#endif
//Color::gamutLchonly(HH,Lpro,Chpro, RR, GG, BB, wip, highlight, 0.15f, 0.96f);
// float2 sincosval = xsincosf(HH);
L_2 = Lpro * 327.68f;
a_1 = 327.68f * Chpro * sincosval.y;
b_1 = 327.68f * Chpro * sincosval.x;
} //end of gamut control
//calculate RGB with L_2 and old value of a and b
Color::Lab2XYZ(L_2, a_1, b_1, x_, y_, z_) ;
Color::xyz2rgb(x_, y_, z_, R, G, B, wip);
rtemp[ti * TS + tj] = R;
gtemp[ti * TS + tj] = G;
btemp[ti * TS + tj] = B;
//end of gamut control
} else {
float x_, y_, z_;
//calculate RGB with L_2 and old value of a and b
Color::Lab2XYZ(L_2, a_1, b_1, x_, y_, z_) ;
Color::xyz2rgb(x_, y_, z_, rtemp[ti * TS + tj], gtemp[ti * TS + tj], btemp[ti * TS + tj], wip);
}
}
}
}

6
rtgui/options.cc
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@ -736,8 +736,6 @@ int Options::readFromFile (Glib::ustring fname)
try {
if (keyFile.load_from_file (fname)) {
setDefaults ();
// --------------------------------------------------------------------------------------------------------
if (keyFile.has_group ("General")) {
@ -1791,14 +1789,10 @@ int Options::readFromFile (Glib::ustring fname)
if (options.rtSettings.verbose) {
printf("Options::readFromFile / Error code %d while reading values from \"%s\":\n%s\n", err.code(), fname.c_str(), err.what().c_str());
}
setDefaults ();
} catch (...) {
if (options.rtSettings.verbose) {
printf("Options::readFromFile / Unknown exception while trying to load \"%s\"!\n", fname.c_str());
}
setDefaults ();
}
return 1;